A man accused of murdering his girlfriend by setting fire to their home now admits to the crime on camera. Police interrogated 22-year-old Derrick Guilder as he lay in his hospital bed saying he was the one who lit the fire. “I set the fire,” Guilder said. Guilder coming clean just days after a fire that killed his girlfriend Ashley Coltrain. “I got tired of everything.” In the beginning of the questioning, Guilder is still holding back about the details of the fire. “I heard it was the living room.” Eventually admitting he used Coltrain’s mother’s obituary to start the deadly fire. “I just lit the newspaper on fire in the living room.”